JDLoadingView.xib

<?xml version="1.0" encoding="UTF-8"?>
<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="12120" systemVersion="16F73" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES">
    <device id="retina4_7" orientation="portrait">
        <adaptation id="fullscreen"/>
    </device>
    <dependencies>
        <deployment identifier="iOS"/>
        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="12088"/>
        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
    </dependencies>
    <objects>
        <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner"/>
        <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
        <view contentMode="scaleToFill" id="iN0-l3-epB" customClass="JDLoadingView">
            <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
            <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
            <subviews>
                <activityIndicatorView opaque="NO" contentMode="scaleToFill" horizontalHuggingPriority="750" verticalHuggingPriority="750" animating="YES" style="gray" translatesAutoresizingMaskIntoConstraints="NO" id="fE2-p6-nNY">
                    <rect key="frame" x="177" y="323.5" width="20" height="20"/>
                </activityIndicatorView>
            </subviews>
            <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
            <constraints>
                <constraint firstItem="fE2-p6-nNY" firstAttribute="centerY" secondItem="iN0-l3-epB" secondAttribute="centerY" id="6rF-UJ-PUS"/>
                <constraint firstItem="fE2-p6-nNY" firstAttribute="centerX" secondItem="iN0-l3-epB" secondAttribute="centerX" id="AMe-24-Xyq"/>
            </constraints>
        </view>
    </objects>
</document>